<!DOCTYPE html>
<html lang="zh">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
  <title>登录</title>
  <link href="css/bootstrap.min.css" rel="stylesheet">
  <link href="css/materialdesignicons.min.css" rel="stylesheet">
  <link href="css/style.min.css" rel="stylesheet">
  <link href="css/min.css" rel="stylesheet">
</head>
<body>
  <div class="login-center">
    <div class="form-group has-feedback">
      <label>用户名</label>
      <input type="text">
    </div>
    <div class="form-group has-feedback">
      <label>密码</label>
      <input type="password">
    </div>
    <div class="form-group has-feedback">
      <button>登录</button>
    </div>
  </div>
</body>
</html>